[#121] client: Make PrmContainerPut struct fields public

Signed-off-by: Airat Arifullin a.arifullin@yadro.com

client/common.go

@@ -82,6 +82,7 @@ var (
 	errorMissingAnnouncements = errors.New("missing announcements")
 	errorZeroRangeLength      = errors.New("zero range length")
 	errorMissingRanges        = errors.New("missing ranges")
+	errorInvalidXHeaders      = errors.New("xheaders must be presented only as key-value pairs")
 )
 
 // groups all the details required to send a single request and process a response to it.

client/container_put.go

@@ -19,20 +19,20 @@ import (
 
 // PrmContainerPut groups parameters of ContainerPut operation.
 type PrmContainerPut struct {
-	prmCommonMeta
+	// FrostFS request X-Headers
+	XHeaders []string
 
-	cnrSet bool
-	cnr    container.Container
+	Container *container.Container
 
-	sessionSet bool
-	session    session.Container
+	Session *session.Container
 }
 
 // SetContainer sets structured information about new FrostFS container.
 // Required parameter.
+//
+// NOTE: method is deprecated
 func (x *PrmContainerPut) SetContainer(cnr container.Container) {
-	x.cnr = cnr
-	x.cnrSet = true
+	x.Container = &cnr
 }
 
 // WithinSession specifies session within which container should be saved.
@@ -43,23 +43,28 @@ func (x *PrmContainerPut) SetContainer(cnr container.Container) {
 // Session is optional, if set the following requirements apply:
 //   - session operation MUST be session.VerbContainerPut (ForVerb)
 //   - token MUST be signed using private key of the owner of the container to be saved
+//
+// NOTE: method is deprecated
 func (x *PrmContainerPut) WithinSession(s session.Container) {
-	x.session = s
-	x.sessionSet = true
+	x.Session = &s
 }
 
 func (x *PrmContainerPut) buildRequest(c *Client) (*v2container.PutRequest, error) {
-	if !x.cnrSet {
+	if x.Container == nil {
 		return nil, errorMissingContainer
 	}
 
+	if len(x.XHeaders)%2 != 0 {
+		return nil, errorInvalidXHeaders
+	}
+
 	// TODO: check private key is set before forming the request
 	var cnr v2container.Container
-	x.cnr.WriteToV2(&cnr)
+	x.Container.WriteToV2(&cnr)
 
 	var sig frostfscrypto.Signature
 
-	err := container.CalculateSignature(&sig, x.cnr, c.prm.key)
+	err := container.CalculateSignature(&sig, *x.Container, c.prm.key)
 	if err != nil {
 		return nil, fmt.Errorf("calculate container signature: %w", err)
 	}
@@ -72,11 +77,11 @@ func (x *PrmContainerPut) buildRequest(c *Client) (*v2container.PutRequest, erro
 	reqBody.SetSignature(&sigv2)
 
 	var meta v2session.RequestMetaHeader
-	writeXHeadersToMeta(x.prmCommonMeta.xHeaders, &meta)
+	writeXHeadersToMeta(x.XHeaders, &meta)
 
-	if x.sessionSet {
+	if x.Session != nil {
 		var tokv2 v2session.Token
-		x.session.WriteToV2(&tokv2)
+		x.Session.WriteToV2(&tokv2)
 
 		meta.SetSessionToken(&tokv2)
 	}